MIXTURE FOR MAKING CERAMIC ARTICLES Russian patent published in 2016 - IPC C04B33/132 

FIELD: construction.

SUBSTANCE: invention relates to production of construction materials and can be used for making ceramic bricks, roofing tiles and other articles. Mixture for making ceramic articles contains loam and thinning additive consisting of mixture of wollastonite and sediment of water treatment station at ratio of 1:(0.25-4). Said additive is added to charge in amount of 10-45 wt%. Addition of wollastonite leads to formation of pores by shrinkage loam and burning organic component of sediment inside the frame formed not melted upon firing and secured by crystallisation glass phase by grains of wollastonite.

EFFECT: charge provides high crack resistance of ceramic articles, due to lower shrinkage, higher mechanical strength characteristics and open porosity.

1 cl, 2 tbl